US11640024B2ActiveUtilityA1

Displaying module and dislaying device

55
Assignee: BEIJING BOE OPTOELECTRONICS TECH CO LTDPriority: Jan 22, 2021Filed: Sep 24, 2021Granted: May 2, 2023
Est. expiryJan 22, 2041(~14.5 yrs left)· nominal 20-yr term from priority
G02F 1/1333G02B 6/0051G02F 1/133512G02B 6/0055G02B 6/005G02F 1/133504G02B 6/0053
55
PatentIndex Score
0
Cited by
2
References
20
Claims

Abstract

A displaying module and a displaying device. The displaying module includes a backlight module and a display panel arranged at a light-emitting side of the backlight module, wherein the backlight module is provided with an ambient light hole penetrating through the backlight module along a direction perpendicular to a light-emitting surface of the backlight module; and a side, facing the backlight module, of the display panel is provided with a light equalization layer which covers the ambient light hole. By arranging the equalization layer at the side, facing the backlight module, of the display panel and at a position corresponding to the ambient light hole, when a screen of the display panel is black, the display panel is non-transparent, and the light equalization layer located at the side, facing the backlight module, of the display panel is incapable of being seen via the display panel.

Claims

exact text as granted — not AI-modified
The invention claimed is: 
     
       1. A displaying module, comprising a backlight module and a display panel arranged at a light-emitting side of the backlight module, wherein the backlight module is provided with an ambient light hole penetrating through the backlight module along a direction perpendicular to a light-emitting surface of the backlight module;
 a light equalization layer, is arranged at a side, facing the backlight module, of the display panel, wherein the light equalization layer covers the ambient light hole; 
 the light equalization layer is located between the display panel and the backlight module; 
 when external light irradiates the display panel, the light passes through the display panel and reaches the light equalization layer at the side, facing the backlight module of the display panel; and 
 a light detection circuit is located at a side, away the display panel, of the backlight module and corresponds to a position of the ambient light hole, so as to receive the light passing through the ambient light hole and determine an intensity of the light. 
 
     
     
       2. The displaying module according to  claim 1 , further comprising a cover plate arranged at a side, away from the backlight module, of the display panel, wherein
 a light shielding layer is arranged at a side, facing the display panel, of the cover plate; and an orthographic projection of the ambient light hole on the cover plate is within the orthographic projection of the light shielding layer on the cover plate. 
 
     
     
       3. The displaying module according to  claim 2 , wherein the light shielding layer comprises a first light shielding layer and a second light shielding layer which are arranged in layer configuration; the first light shielding layer is located between the cover plate and the second light shielding layer; the first light shielding layer and the second light shielding layer are each provided with a penetrating through hole;
 the light shielding layer further comprises a semi-transparent layer covering the second light shielding layer and the cover plate, 
 wherein, an orthographic projection of each through hole on the cover plate is overlapped with the orthographic projection of the ambient light hole on the cover plate. 
 
     
     
       4. The displaying module according to  claim 1 , wherein the light equalization layer is a white ink layer with a thickness of 7 μm to 10 μm. 
     
     
       5. The displaying module according to  claim 1 , wherein the light equalization layer is a diffusion film with a thickness less than or equal to 50 μm. 
     
     
       6. The displaying module according to  claim 3 , wherein each of the first light shielding layer, the second light shielding layer and the semi-transparent layer has a thickness of 7 μm to 10 μm. 
     
     
       7. The displaying module according to  claim 1 , wherein the display panel comprises an array substrate and a color film substrate which are aligned in relative position;
 the color film substrate comprises a black matrix arranged around the ambient light hole; and an orthographic projection of an edge of the light equalization layer on the color film substrate is within an area where the black matrix is located. 
 
     
     
       8. The displaying module according to  claim 7 , wherein the display panel further comprises a first polarizer arranged at a side, away from the array substrate, of the color film substrate, as well as a second polarizer arranged at a side, away from the color film substrate, of the array substrate;
 wherein, orthographic projections of the first polarizer and the second polarizer on the backlight module are not overlapped with of the ambient light hole. 
 
     
     
       9. The displaying module according to  claim 1 , wherein the backlight module comprises a reflecting plate, a light guide plate, a diffusing plate and a brightening plate which are arranged in layer configuration;
 the backlight module further comprises a supporting structure which comprises a first supporting part and a second supporting part, wherein the first supporting part is arranged at a side, away from the light guide plate, of the reflecting plate; the second supporting part is perpendicular to the light-emitting surface of the backlight module and arranged around the ambient light hole; 
 the backlight module further comprises a first light shielding adhesive; the first light shielding adhesive covers a first surface of the second supporting part and extends to a surface of a side, facing the display panel, of the brightening film; and the first surface of the second supporting part is a surface, facing the display panel, of the second supporting part. 
 
     
     
       10. The displaying module according to  claim 9 , wherein a second light shielding adhesive, is arranged at the side close to the ambient light hole, of the second supporting part; and the second light shielding adhesive is bonded with the light equalization layer. 
     
     
       11. A displaying device, comprising the displaying module according to  claim 1 . 
     
     
       12. The displaying device according to  claim 11 , further comprising a cover plate arranged at a side, away from the backlight module, of the display panel, wherein
 a light shielding layer is arranged at a side, facing the display panel, of the cover plate; and an orthographic projection of the ambient light hole on the cover plate is within the orthographic projection of the light shielding layer on the cover plate. 
 
     
     
       13. The displaying device according to  claim 12 , wherein the light shielding layer comprises a first light shielding layer and a second light shielding layer which are arranged in layer configuration; the first light shielding layer is located between the cover plate and the second light shielding layer; the first light shielding layer and the second light shielding layer are each provided with a penetrating through hole;
 the light shielding layer further comprises a semi-transparent layer covering the second light shielding layer and the cover plate, 
 wherein, an orthographic projection of each through hole on the cover plate is overlapped with the orthographic projection of the ambient light hole on the cover plate. 
 
     
     
       14. The displaying device according to  claim 11 , wherein the light equalization layer is a white ink layer with a thickness of 7 μm to 10 μm. 
     
     
       15. The displaying device according to  claim 11 , wherein the light equalization layer is a diffusing film with a thickness less than or equal to 50 μm. 
     
     
       16. The displaying device according to  claim 13 , wherein each of the first light shielding layer, the second light shielding layer and the semi-transparent layer has a thickness of 7 μm to 10 μm. 
     
     
       17. The displaying device according to  claim 11 , wherein the display panel comprises an array substrate and a color film substrate which are aligned in relative position;
 the color film substrate comprises a black matrix arranged around the ambient light hole; and an orthographic projection of an edge of the light equalization layer on the color film substrate is within an area where the black matrix is located. 
 
     
     
       18. The displaying device according to  claim 17 , wherein the display panel further comprises a first polarizer arranged at a side, away from the array substrate, of the color film substrate, as well as a second polarizer arranged at a side, away from the color film substrate, of the array substrate;
 wherein, orthographic projections of the first polarizer and the second polarizer on the backlight module are not overlapped with of the ambient light hole. 
 
     
     
       19. The displaying device according to  claim 11 , wherein the backlight module comprises a reflecting plate, a light guide plate, a diffusing plate and a brightening plate which are arranged in layer configuration;
 the backlight module further comprises a supporting structure which comprises a first supporting part and a second supporting part, wherein the first supporting part is arranged at a side, away from the light guide plate, of the reflecting plate; the second supporting part is perpendicular to the light-emitting surface of the backlight module and arranged around the ambient light hole; 
 the backlight module further comprises a first light shielding adhesive; the first light shielding adhesive covers a first surface of the second supporting part and extends to a surface of a side, facing the display panel, of the brightening film; and the first surface of the second supporting part is a surface, facing the display panel, of the second supporting part. 
 
     
     
       20. The displaying device according to  claim 19 , a second light shielding adhesive, is arranged at the side close to the ambient light hole, of the second supporting part; and the second light shielding adhesive is bonded with the light equalization layer.

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